Recent increases in tropical cyclone rapid intensification events in global offshore regions

Abstract Rapid intensification (RI) is an essential process in the development of strong tropical cyclones and a major challenge in prediction. RI in offshore regions is more threatening to coastal populations and economies. Although much effort has been devoted to studying basin-wide temporal-spati...

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Main Authors: Yi Li, Youmin Tang, Shuai Wang, Ralf Toumi, Xiangzhou Song, Qiang Wang
Format: Article
Language:English
Published: Nature Portfolio 2023-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-023-40605-2
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author Yi Li
Youmin Tang
Shuai Wang
Ralf Toumi
Xiangzhou Song
Qiang Wang
author_facet Yi Li
Youmin Tang
Shuai Wang
Ralf Toumi
Xiangzhou Song
Qiang Wang
author_sort Yi Li
collection DOAJ
description Abstract Rapid intensification (RI) is an essential process in the development of strong tropical cyclones and a major challenge in prediction. RI in offshore regions is more threatening to coastal populations and economies. Although much effort has been devoted to studying basin-wide temporal-spatial fluctuations, variations of global RI events in offshore regions remain uncertain. Here, we show that compared with open oceans, where the annual RI counts do not show significant changes, offshore areas within 400 km of the coastline have experienced a significant increase in RI events, with the count tripling from 1980 to 2020. Furthermore, thermodynamic environments present more favorable conditions for this trend, and climate models show that global ocean warming has enhanced such changes. This work yields an important finding that an increasing threat of RI in coastal regions has occurred in the preceding decades, which may continue under a future warming climate.
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spelling doaj.art-f9786b7e58604de88fb3d76e187de1212023-11-20T09:54:51ZengNature PortfolioNature Communications2041-17232023-08-011411910.1038/s41467-023-40605-2Recent increases in tropical cyclone rapid intensification events in global offshore regionsYi Li0Youmin Tang1Shuai Wang2Ralf Toumi3Xiangzhou Song4Qiang Wang5College of Oceanography, Hohai UniversityCollege of Oceanography, Hohai UniversityDepartment of Geography and Spatial Sciences, University of DelawareDepartment of Physics, Imperial College LondonCollege of Oceanography, Hohai UniversityCollege of Oceanography, Hohai UniversityAbstract Rapid intensification (RI) is an essential process in the development of strong tropical cyclones and a major challenge in prediction. RI in offshore regions is more threatening to coastal populations and economies. Although much effort has been devoted to studying basin-wide temporal-spatial fluctuations, variations of global RI events in offshore regions remain uncertain. Here, we show that compared with open oceans, where the annual RI counts do not show significant changes, offshore areas within 400 km of the coastline have experienced a significant increase in RI events, with the count tripling from 1980 to 2020. Furthermore, thermodynamic environments present more favorable conditions for this trend, and climate models show that global ocean warming has enhanced such changes. This work yields an important finding that an increasing threat of RI in coastal regions has occurred in the preceding decades, which may continue under a future warming climate.https://doi.org/10.1038/s41467-023-40605-2
spellingShingle Yi Li
Youmin Tang
Shuai Wang
Ralf Toumi
Xiangzhou Song
Qiang Wang
Recent increases in tropical cyclone rapid intensification events in global offshore regions
Nature Communications
title Recent increases in tropical cyclone rapid intensification events in global offshore regions
title_full Recent increases in tropical cyclone rapid intensification events in global offshore regions
title_fullStr Recent increases in tropical cyclone rapid intensification events in global offshore regions
title_full_unstemmed Recent increases in tropical cyclone rapid intensification events in global offshore regions
title_short Recent increases in tropical cyclone rapid intensification events in global offshore regions
title_sort recent increases in tropical cyclone rapid intensification events in global offshore regions
url https://doi.org/10.1038/s41467-023-40605-2
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